Why does the check engine light in my XTS turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Cadillac XTS engine noises bad?

Strange engine sounds can be a sign something’s off in your Cadillac XTS. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac XTS engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Cadillac XTS radiator?

It’s not recommended you put water in your XTS radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What could cause my XTS engine to suddenly stop?

If your XTS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who fixes Cadillac XTS engines?

Your local Firestone Complete Auto Care fixes Cadillac XTS engines. Book an appointment today! We have thousands of locations across the country.

2018 Cadillac XTS Engine Repair

Learn about

2018 Cadillac XTS Trim Options

Select your Cadillac XTS trim level to learn more about Cadillac-recommended engine repair. Use the following chart to find information.

V6/3.6L

Cadillac XTS Repairs and Services

Nothing lasts forever. Even your Cadillac XTS’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2018 Cadillac XTS repairs.

We’re Trained to Care for Cadillac XTS Engines

The Cadillac XTS is respected for its reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 2018 Cadillac service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Cadillac XTS engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2018 Cadillac XTS

As soon as your XTS check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your XTS to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Cadillac XTS engine needs some TLC are essential fluid leaks, or misfiring.

Cadillac XTS Engine Repair

If your 2018 Cadillac XTS needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair isn’t urgent right now, we’ll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2018 XTS engine repairs and you can feel confident knowing that we use Cadillac-approved parts and components like the timing belt, motor oil seal, ignition coil, or a different component.

Questions About 2018 Cadillac XTS Engines

Why does the check engine light in my XTS turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Cadillac XTS engine noises bad? Strange engine sounds can be a sign something’s off in your Cadillac XTS. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac XTS engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Cadillac XTS radiator? It’s not recommended you put water in your XTS radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What could cause my XTS engine to suddenly stop? If your XTS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who fixes Cadillac XTS engines? Your local Firestone Complete Auto Care fixes Cadillac XTS engines. Book an appointment today! We have thousands of locations across the country.